feat: 添加微信应用模块，支持微信支付及微信小程序对接（功能产品已上线验证）

Yi.Furion.Net6/Yi.Framework.Module/WeChat/WeChatException.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.Module.WeChat
+{
+    public class WeChatException : Exception
+    {
+        public override string Message
+        {
+            get
+            {
+                // 加上前缀
+                return "微信Api异常: " + base.Message;
+            }
+        }
+
+        public WeChatException()
+        {
+        }
+
+        public WeChatException(string message)
+            : base(message)
+        {
+        }
+
+        public WeChatException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+}